Partisan politics, one sometimes still hears, are supposed to “stop at the water’s edge.” Domestic political quarrels might be intense and…
Chairman Sullivan, Ranking Member Markey, other distinguished members of the sub-committee on security, thank you for calling this…
In a classic tragedy, the leading figure is usually a person with admirable qualities and even good intentions, drawn inexorably toward…
Preventing nuclear war and avoiding catastrophic climate change are two of the most basic challenges facing human civilization in the…
Scholarship on civil war is overwhelmingly preoccupied with armed activity. Data collection efforts on actors in civil wars tend to reflect…
As a former U.S. ambassador to NATO, I left the Munich Security Conference concerned that we are witnessing the most worrisome division…
The recent uproar over Rep. Ilhan Omar’s tweets criticizing the conduct of Israel’s government and its U.S. supporters, especially the…
War is an inherently social process, from the mobilization of new, armed organizations, to the relational aftershocks of violence affecting…
In my last column, I explored the various reasons why states can become overcommitted yet unable to extricate themselves from costly…
The United States and China together account for a disproportionate 45 percent of global carbon dioxide emissions. In 2014, then-President…